nacreous Meaning, Definition & Usage

  1. adjective consisting of or resembling mother-of-pearl
  2. adjective satellite having a play of lustrous rainbow colors
    pearlescent; opalescent; iridescent; opaline.
    • an iridescent oil slick
    • nacreous (or pearlescent) clouds looking like mother-of-pearl
    • a milky opalescent (or opaline) luster

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